National Drinking Water Database
Heatherloch Mud Utilities - Houston, TX
Serves 6,129 people
o-Xyleneo-Xylene is a petroleum-derived solvent used in the printing, rubber, and leather industries; it is also used as a cleaning agent, a thinner for paint, and an ingredient in paints and varnishes.
Testing History-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
|o-Xyleneo-Xylene is a petroleum-derived solvent used in the printing, rubber, and leather industries; it is also used as a cleaning agent, a thinner for paint, and an ingredient in paints and varnishes.||0.15 ppb|
|NOTE: Each dot in the above graph represents one month.|
* Water utilities are noted as exceeding the legal limit if any test is above the maximum contaminant level (MCL). Most MCLs are based on annual averages so exceeding the MCL for one test does not necessarily indicate that the system is out of compliance.
Health Based and Legal Limits for o-Xylene
Health Based Limits for o-Xylene
|Maximum Contaminant Limit (MCL)||10000 ppb|
|Maximum Contaminant Limit Goal (MCLG)||A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.||10000 ppb|
|Samples taken that day||Number of Non-Detects||Range of Results|
|2006-12-28||0 ppb||2||2||0 ppb|
|2006-07-12||0.45 ppb||2||1||0 to 0.9 ppb|
|2004-12-08||0 ppb||2||2||0 ppb|